fix: TypeError: outputParameters is not iterable (#29833)

web/app/components/tools/workflow-tool/utils.ts

@@ -0,0 +1,28 @@
+import type { WorkflowToolProviderOutputParameter, WorkflowToolProviderOutputSchema } from '../types'
+import { VarType } from '@/app/components/workflow/types'
+
+const validVarTypes = new Set<string>(Object.values(VarType))
+
+const normalizeVarType = (type?: string): VarType | undefined => {
+  if (!type)
+    return undefined
+
+  return validVarTypes.has(type) ? type as VarType : undefined
+}
+
+export const buildWorkflowOutputParameters = (
+  outputParameters: WorkflowToolProviderOutputParameter[] | null | undefined,
+  outputSchema?: WorkflowToolProviderOutputSchema | null,
+): WorkflowToolProviderOutputParameter[] => {
+  if (Array.isArray(outputParameters))
+    return outputParameters
+
+  if (!outputSchema?.properties)
+    return []
+
+  return Object.entries(outputSchema.properties).map(([name, schema]) => ({
+    name,
+    description: schema.description,
+    type: normalizeVarType(schema.type),
+  }))
+}